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�-€:!�"aa.. �� •���3 � -;i Y°�" �g� °"" � .�-r _`�'r�' ..5.�r r'`",i4:fa"`k�"'- J )`. � � �� <br />�5 <br /> rTr <br /> 4P- <br /> C <br /> i- <br /> i <br /> a ahevidence <br /> soils <br /> oiacharacteristics <br /> Tewaterbearing <br /> renotedonthe logs <br /> contaminationwe <br /> e at which they were encountered were <br /> California <br /> zones and the depthThe logs were reviewed by <br /> noted on the logs. (Appendix E) . <br /> State Licensed Geologist opal. <br /> were stored on- <br /> The cuttings from the drilling <br /> site for later treatment and/ <br /> 3.4 WELL DEVELOPMENT <br /> mp <br /> The monitoringllwilicheagitateddevalopetheswat.ea hand u <br /> r within the <br /> air-lift purging system <br /> wells, g <br /> cleaning gilt and debris from the well screens. The <br /> system removed turbid water from tallonshe s frwater til lwere <br /> ear wdter <br /> began to appear. Approximately 9 g <br /> from each well during developmentas poured into a 55- <br /> removed ved ells w P <br /> rem<"3ed from the three monitoring w <br /> gallon drum and stored on-site. <br /> All monitoring wells were sampled after a minimum of 48 <br /> roundwater <br /> hours had elapse ofd <br /> atvleaste90 ofnt$ andtheirthegpre-development <br /> levels had recov <br /> levels. <br /> 3.5 BAKPLING erl labeled <br /> All soil and groundwater samples were prop y <br /> with project number, date collected, and a sample <br /> identification number. All samleserFielddnotessand <br /> standard chain-of-custody procedures. <br /> documents were kephandgother all shgnificantases of odatal,osuch as <br /> 1 <br /> the above informationdate and time <br /> names of on-site personnel, sampling methods, <br /> names <br /> sampling, and the number of well volumes removed before <br /> sampling. <br /> and packaged <br /> The samples were refrigerated ed immediately <br /> for delivery to the laboratory, and under no circumstances <br /> were they opened by anyone other than qualified laboratory <br /> personnel. Chain-of-Custody records were maintained at all <br /> times. <br /> All samples were analyzed by <br /> a laboratory specifically <br /> nia Department of Health Services to <br /> certified by the Califor <br /> to EPA guide- <br /> les <br /> perforsamhlealis <br /> req, (acted. No cordingre tested of ^r <br /> their and they were properly disposed of after analysis. <br /> lir .$) , <br /> ETS PROJECT 305,&- <br /> PAGE 6 --- ---- --- - <br />